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fix: parse flat selectors in linear time (backport of 62b1917 to 6.x) - #346
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…lnerability Backport of 62b1917 (7.1.6) to 6.x.
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October 14, 2026 00:19
lorand-horvath
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Oct 17, 2026
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@MoOx Please merge this and release as 6.1.5. Thanks! |
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Thanks ! 6.1.5 is out. I will update the GHSA accordingly. |
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@MoOx GHSA-rj75-hqrm-r3gf should also be updated. |
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Already done in GHSA-rj75-hqrm-r3gf but that wasn't enough. Done via github/advisory-database#10456 |
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Closes #344.
Backports 62b1917 (the GHSA-rj75-hqrm-r3gf fix in 7.1.6) to
6.x.x. Same change, reformatted for this branch and with the regression tests ported to ava.For us this is a Dependabot finding from Tailwind 3's build-time use. A 6.x release would let us clear it without forcing Tailwind 3 onto parser 7.
Testing:
npm testpasses (780 tests, 7 new). The new tests fail on the old parser.astSync('.a'.repeat(60000)): ~4.3s on 6.1.4, ~90ms with this change.Could this go out as 6.1.5? Thanks!